CONTROLLABLE RECTIFIER Russian patent published in 2001 - IPC

Abstract RU 2172056 C1

FIELD: power converter engineering; high-power rectifiers for feeding electrolyzers, electroplating baths, and the like. SUBSTANCE: controlled rectifier designed for use within limited output voltage regulation range has input power transformer, diode unit built around non-controlled semiconductor diodes with saturable reactors and three windings, thyristors, and pulse-phase control unit. In addition, controllable rectifier has one more rectifier built around non-controlled semiconductor diodes connected, respectively, to third coils of saturable reactor; dc outputs of additional amplifier are cumulatively connected in parallel with dc outputs of controllable rectifier. Non-delayed driving of semiconductor diode in conduction provides for reducing ripples and heat output of power transformer. EFFECT: enhanced displacement factor. 1 dwg

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RU 2 172 056 C1

Authors

Bobkov A.V.

Bobkov V.A.

Neujmin O.A.

Dates

2001-08-10—Published

2000-06-16—Filed